package array.simple;

public class ToLowerCase_709 {

    public String toLowerCase(String s) {
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < s.length(); i++) {
            char c = s.charAt(i);
            if (c >= 'A' && c <= 'Z'){
                sb.append((char)(c+32));
            }else{
                sb.append(c);
            }
        }
        return sb.toString();
    }
}
